Table 4.

Hb levels.

	Mean ± SD, g/L			P
Characteristics	Control group	sTXA	aTXA	Control vs sTXA	Control vs aTXA	sTXA vs aTXA
Hb 1 day before surgery	139.0 ± 12.04	140.8 ± 13.94	132.9 ± 15.10	.832	.1167	.0298∗	Ordinary 1-way ANOVA (Tukey multiple comparisons)
Hb on the day of surgery	123.1 ± 13.52	124.5 ± 21.28	120.5 ± 15.08	.9286	.7611	.5363	Ordinary 1-way ANOVA (Tukey multiple comparisons)
Hb 1stday after surgery	108.5 ± 12.82	115.8 ± 11.36	114.4 ± 13.38	.0311∗	.0975	.8732	Ordinary 1-way ANOVA (Tukey multiple comparisons)
Hb 4thday after surgery	104.0 ± 9.525	110.9 ± 10.63	109.7 ± 12.34	.0134∗	.0490∗	.8701	Ordinary 1-way ANOVA (Tukey multiple comparisons)

ANOVA = analysis of variance, aTXA = topical intra-articular administration tranexamic acid, Hb = hemoglobin, sTXA = systemic administration tranexamic acid.